Home / 1,278,726,501.60-1,917,249,944.40-501,904,101.60

Finding the Fourth Proportional to 1,278,726,501.60, 1,917,249,944.40 and 501,904,101.60

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Solution

The fourth proportional to 1,278,726,501.60, 1,917,249,944.40 and 501,904,101.60 is: 752,526,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,726,501.60 : 1,917,249,944.40 = 501,904,101.60 : x
  2. Step 2: Convert to fraction form
    1,278,726,501.60/1,917,249,944.40 = 501,904,101.60/x
  3. Step 3: Cross multiply
    1,278,726,501.60x = 1,917,249,944.40 × 501,904,101.60
  4. Step 4: Simplify right side
    1,278,726,501.60x = 962,275,610,886,732,032
  5. Step 5: Solve for x
    x = 962,275,610,886,732,032/1,278,726,501.60
  6. Step 6: Final answer
    x = 752,526,525.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.